(PHP 5, PHP 7, PHP 8)
Représente une connexion entre PHP et une base de données MySQL.
$hostname = null,$username = null,$password = null,$database = null,$port = null,$socket = null$username, #[\SensitiveParameter] string $password, ?string $database): bool$hostname = null,$username = null,$password = null,$database = null,$port = null,$socket = nullsince: '8.1',message: 'use mysqli_get_client_info() instead',since: '8.1',message: 'replace calls to parent::init() with parent::__construct()',since: '8.4',message: 'use KILL CONNECTION/QUERY SQL statement instead',$process_id): boolsince: '8.4',message: 'because the reconnect feature has been removed in PHP 8.2 and this method is now redundant',&$read,&$error,&$reject,$seconds,$microseconds = 0$hostname = null,$username = null,$password = null,$database = null,$port = null,$socket = null,$flags = 0since: '8.4',message: 'use FLUSH SQL statement instead',$flags): bool